<template>
  <view>
    <!--轮播图的区域-->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000"  :duration="1000" :circular="true">
      <swiper-item v-for= "(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url= "'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    
    <!-- 分类导航区域-->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img" ></image>
      </view>  
    </view>
     <!-- 楼层区域-->
     <!--楼层的容器-->
     <view class="floor-list">
       <!--每一个楼层的item项-->
       <view class="floor-item" v-for="(item,i) in floorList" :key="i">
         <!--楼层的标题-->
         <image :src="item.floor_title.image_src" class="floor-title"></image>
         <!--楼层的图片区域-->
         <view class="floor-img-box">
           <!--左侧大图片的盒子-->
           <navigator class="left-img-box" :url="item.product_list[0].url">
             <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
           </navigator>
           <!--右侧4个小图片的盒子-->
           <view class="right-img-box">
             <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
               <image :src="item2.image_src" :style="{width: item2.image_width + 'rpx'}" mode="widthFix"></image>
             </navigator> 
           </view>
         </view>
       </view>
     </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        //这是轮播图的数据列表
        swiperList: [],
        //分类导航的数据列表
        navList: [],
        //楼层的数据
        floorList: []
      };
    },
    onLoad(){
      //调用方法获取轮播图数据
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods:{
      async getSwiperList () {
        const { data:res} = await uni.$http.get('/api/public/v1/home/swiperdata')
        //请求失败
        if(res.meta.status !== 200) return uni.$showMsg()
        
        this.swiperList = res.message
        uni.$showMsg('数据请求成功!')
      },
         async getNavList(){
           const {data: res} = await uni.$http.get('/api/public/v1/home/catitems')
           if(res.meta.status !== 200) return uni.$showMsg()
           this.navList = res.message
         },
         navClickHandler(item){
           if(item.name='分类'){
             uni.switchTab({
               url:'/pages/cart/cart'
             })
           }
         },
         //获取楼层数据的方法
         async getFloorList(){
           const {data:res} = await uni.$http.get('/api/public/v1/home/floordata')
           if(res.meta.status !== 200) return uni.$showMsg()
           
           //对数据进行处理
           res.message.forEach(floor => {
             floor.product_list.forEach(prod =>{
             prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
             })
           })
           
           this.floorList = res.message 
         }
    }
  }
</script>

<style lang="scss">
  swiper{
    height: 330rpx;
    .swiper-item,
    image{
      width: 100%;
      height: 100%;
    }
  }
  
  .nav-list{
    display: flex;
    justify-content: space-around;
    margin: 15px 0;
    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }
.floor-title{
  width: 100%;
  height: 60rpx;
   
}
.right-img-box{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.floor-img-box{
  display: flex;
  padding-left: 10rpx;
}
</style>
